Home / 8,300,120.40-12,452,513.40-4,040,427.60

Finding the Fourth Proportional to 8,300,120.40, 12,452,513.40 and 4,040,427.60

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Solution

The fourth proportional to 8,300,120.40, 12,452,513.40 and 4,040,427.60 is: 6,061,776.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,300,120.40 : 12,452,513.40 = 4,040,427.60 : x
  2. Step 2: Convert to fraction form
    8,300,120.40/12,452,513.40 = 4,040,427.60/x
  3. Step 3: Cross multiply
    8,300,120.40x = 12,452,513.40 × 4,040,427.60
  4. Step 4: Simplify right side
    8,300,120.40x = 50,313,478,830,729.84
  5. Step 5: Solve for x
    x = 50,313,478,830,729.84/8,300,120.40
  6. Step 6: Final answer
    x = 6,061,776.99

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.